How many movies have Petr Pelzer and Zdeněk Žák acted in together?

They have worked on 6 movies together! Their first movie together was Měsíční údolí (1977) while their highest rated movie together was 3× denně kapku rosy (1981). They have not worked together since O kumburské Meluzíně (1995). They are most known for their drama films together.